import javax.swing.JOptionPane;  
        public class Demo01  
        {    
            public static void main(String args[])  
            {  
                loopNumber();     
            }  
             static  void loopNumber(){  
                int number=0,d5,d4,d3,d2,d1;  
                String str=JOptionPane.showInputDialog("输入一个1至99999之间的数");  
                number=Integer.parseInt(str);  
                if(number<100000&&number>0) //判断number在1至99999之间的条件  
                    {  
                        d5=number/10000;   //计算number的最高位（万位）d5  
                        d4=(number/1000)%10 ;  //计算number的千位d4  
                        d3=(number/100)%10 ;  //计算number的百位d3  
                        d2=(number%100)/10;  
                        d1=number%10;  
                      if(d5 !=0)  //判断number是5位数的条件  
                        {  
                          System.out.println(number+"是5位数");  
                          if(d5 ==d1 && d4 == d2) //判断number是回文数的条件  
                           {  
                              System.out.println(number+"是回文数");  
                           }  
                          else  
                           {   
                             System.out.println(number+"不是回文数");  
                           }  
                        }  
                      else if(d5 == 0 && d4 != 0)  //判断number是4位数的条件  
                        {  
                           System.out.println(number+"是4位数");  
                           if(d1 ==d4&&d2==d3) //判断number是回文数的条件码  
                           {  
                                System.out.println(number+"是回文数");  
                           }  
                          else  
                           {   
                              System.out.println(number+"不是回文数");  
                           }  
                        }  
                        else if(d5 == 0&&d4 == 0&&d3 !=0)  //判断number是3位数的条件  
                        {  
                           System.out.println(number+"是3位数");  
                           if(d3 == d1) //判断number是回文数的条件  
                           {  
                                System.out.println(number+"是回文数");  
                           }  
                          else  
                           {   
                            System.out.println(number+"不是回文数");  
                           }  
                        }  
                     else if(d2!=0)  
                        {  
                          System.out.println(number+"是2位数");  
                           if(d1==d2)  
                           {  
                               System.out.println(number+"是回文数");  
                           }  
                          else  
                           {   
                             System.out.println(number+"不是回文数");  
                           }  
                        }  
                     else if(d1!=0)  
                        {  
                          System.out.println(number+"是1位数");  
                           System.out.println(number+"是回文数");  
                        }  
                    }  
                 else  
                    {  
                       System.out.printf("\n%d不在1至99999之间",number);  
                    }  
            }  
        }
